Great Lakes Forecast 
Issued by NWS
        
        
                
        
            
        Issued by NWS
112 FZUS63 KDTX 040256 GLFSC Lake St Clair Forecast National Weather Service Detroit/Pontiac MI 956 PM EST Mon Nov 3 2025 Waves are the significant wave height - the average of the highest 1/3 of the wave spectrum. Occasional wave height is the average of the highest 1/10 of the wave spectrum. .SYNOPSIS...A ridge of high pressure, 30.20 inches, will build into the region tomorrow morning, bringing a brief period of lighter winds by the afternoon. The next low pressure system, 29.70 inches, then tracks into the Central Great Lakes tomorrow, where another round of brief gales will be possible. LCZ460-041100- Lake St Clair- 956 PM EST Mon Nov 3 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EST THIS EVENING... .REST OF TONIGHT...West winds 20 to 25 knots with gusts to 30 knots diminishing to 15 to 20 knots early in the morning. Clear. Waves 2 to 4 feet subsiding to 1 to 3 feet after midnight. .TUESDAY...West winds 10 to 15 knots. Mostly sunny. Waves 2 feet or less. .TUESDAY NIGHT...Southwest winds 10 to 15 knots becoming south 20 to 25 knots. Partly cloudy early in the evening becoming mostly cloudy. Waves 1 to 3 feet building to 2 to 4 feet after midnight. .WEDNESDAY...Southwest winds 20 to 25 knots veering to the west with gusts to 30 knots early in the afternoon. Partly sunny with a chance of light rain. Waves 2 to 4 feet. .WEDNESDAY NIGHT...Northwest winds 20 to 25 knots diminishing to 10 to 15 knots after midnight. Mostly clear. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight. .THURSDAY...Northwest winds 5 to 10 knots backing to the southwest in the afternoon...then becoming south 15 to 20 knots in the evening. Sunny in the morning becoming partly cloudy. Waves 2 feet or less. .FRIDAY...West winds to 30 knots. Light rain. Waves 2 to 4 feet. A Small Craft Advisory may be needed. .SATURDAY...South winds 20 to 25 knots. Partly cloudy. A chance of light rain. Waves 1 to 3 feet. $$ AA Experimental modernized open lake forecast is available online at weather.gov/dtx/glftablesc Graphical marine forecasts are available at weather.gov/greatlakes